Correction to:

Ichimasa K, Kudo S, Mori Y et al. Artificial intelligence may help in predicting the need for additional surgery after endoscopic resection of T1 colorectal cancer.Endoscopy 2017, DOI: 10.1055/s-0043-122385The name of the author Shigeharu Hamatani was corrected from” Shigeharu Hamtani” to “Shigeharu Hamatani”.This was corrected in the online version on January 17, 2018